<?php

class ViewController extends Controller
{
    public $layout = 'main';
    /**
     * @var CActiveRecord the currently loaded data model instance.
     */
    private $_model;

    /**
     * @return array action filters
     */
    public function filters()
    {
        return CMap::mergeArray(parent::filters(),array(
            'accessControl', // perform access control for CRUD operations
        ));
    }
    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules()
    {
        return array(
            array('allow',  // allow all users to perform 'index' and 'view' actions
                'actions'=>array('index','view'),
                'users'=>array('*'),
            ),
            array('allow',  // allow all users to perform 'index' and 'view' actions
                'actions'=>array('info'),
                'users'=>UserModule::getAdmins(),
            ),
            array('deny',  // deny all users
                'users'=>array('*'),
            ),
        );
    }

    /**
     * Lists all models.
     */
    public function actionIndex()
    {
        $model = $this->loadModel();
        $this->render('view',array(
            'model'=>$model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     */
    public function loadModel()
    {
        if($this->_model===null)
        {
            if(isset($_GET['id']))
                $this->_model=User::model()->findbyPk($_GET['id']);
            if($this->_model===null)
                throw new CHttpException(404,'The requested page does not exist.');
        }
        return $this->_model;
    }


    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer the primary key value. Defaults to null, meaning using the 'id' GET variable
     */
    public function loadUser($id=null)
    {
        if($this->_model===null)
        {
            if($id!==null || isset($_GET['id']))
                $this->_model=User::model()->findbyPk($id!==null ? $id : $_GET['id']);
            if($this->_model===null)
                throw new CHttpException(404,'The requested page does not exist.');
        }
        return $this->_model;
    }


}
